[NFC] Refactor the tuple of symbol information with structure for llvm-objdump

SUMMARY:

address  the comment of
https://reviews.llvm.org/D74240#inline-676127
https://reviews.llvm.org/D74240#inline-675875

Reviewers: daltenty, jason liu, xiangling liao
Subscribers: wuzish, nemanjai, hiraditya

Differential Revision: https://reviews.llvm.org/D74240

2 files changed, 7 insertions, 13 deletions

diff --git a/llvm/include/llvm/MC/MCDisassembler/MCDisassembler.h b/llvm/include/llvm/MC/MCDisassembler/MCDisassembler.h
index 05e47de..737edb3 100644
--- a/llvm/include/llvm/MC/MCDisassembler/MCDisassembler.h
+++ b/llvm/include/llvm/MC/MCDisassembler/MCDisassembler.h
@@ -22,15 +22,19 @@ struct SymbolInfoTy {
 	StringRef Name;
 	uint8_t   Type;
 
-       SymbolInfoTy(uint64_t Addr, StringRef Name, uint8_t Type):
-        Addr(Addr),Name(Name),Type(Type) {};
+        SymbolInfoTy(uint64_t Addr, StringRef Name, uint8_t Type)
+            : Addr(Addr), Name(Name), Type(Type){};
+
+        friend bool operator<(const SymbolInfoTy &P1, const SymbolInfoTy &P2) {
+          return std::tie(P1.Addr, P1.Name, P1.Type) <
+                 std::tie(P2.Addr, P2.Name, P2.Type);
+        }
 };
 
 using SectionSymbolsTy = std::vector<SymbolInfoTy>;
 
 
 template <typename T> class ArrayRef;
-class StringRef;
 class MCContext;
 class MCInst;
 class MCSubtargetInfo;
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index 6719aed..a1c37bc 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -341,16 +341,6 @@ static StringSet<> DisasmFuncsSet;
 StringSet<> FoundSectionSet;
 static StringRef ToolName;
 
-static bool operator<(const SymbolInfoTy& P1 ,const SymbolInfoTy& P2) {
-  if (P1.Addr < P2.Addr)
-    return true;
-
-  if (P1.Addr == P2.Addr)
-    return P1.Name < P2.Name;
-
-  return false;
-}
-
 namespace {
 struct FilterResult {
   // True if the section should not be skipped.